/* myMPD (c) 2018 Juergen Mang This project's homepage is: https://github.com/jcorporation/mympd myMPD ist fork of: ympd (c) 2013-2014 Andrew Karpow This project's homepage is: http://www.ympd.org This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include #include #include #include #include #include #include #include #include #include #include "mpd_client.h" #include "config.h" #include "../dist/src/frozen/frozen.h" const char * mpd_cmd_strs[] = { MPD_CMDS(GEN_STR) }; static inline enum mpd_cmd_ids get_cmd_id(const char *cmd) { for (int i = 0; i < sizeof(mpd_cmd_strs) / sizeof(mpd_cmd_strs[0]); i++) if (!strncmp(cmd, mpd_cmd_strs[i], strlen(mpd_cmd_strs[i]))) return i; return -1; } void callback_mympd(struct mg_connection *nc, const struct mg_str msg) { size_t n = 0; char *cmd; unsigned int uint_buf1, uint_buf2, uint_rc; int je, int_buf, int_rc; float float_buf; char *p_charbuf1, *p_charbuf2, *p_charbuf3; struct mympd_state { int a; int b; } state = { .a = 0, .b = 0 }; enum mpd_cmd_ids cmd_id; #ifdef DEBUG fprintf(stdout,"Got request: %s\n",msg.p); #endif je = json_scanf(msg.p, msg.len, "{cmd:%Q}", &cmd); if (je == 1) cmd_id = get_cmd_id(cmd); else cmd_id = get_cmd_id("MPD_API_UNKNOWN"); if (cmd_id == -1) cmd_id = get_cmd_id("MPD_API_UNKNOWN"); mpd_send_noidle(mpd.conn); mpd_response_finish(mpd.conn); switch(cmd_id) { case MPD_API_UNKNOWN: n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Unknown request\"}"); break; case MPD_API_LIKE: je = json_scanf(msg.p, msg.len, "{data: {uri:%Q, like:%d}}", &p_charbuf1, &uint_buf1); if (je == 2) { mympd_like_song_uri(p_charbuf1, uint_buf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); free(p_charbuf1); } break; case MPD_API_GET_STATE: n = mympd_put_state(mpd.buf, &mpd.song_id, &mpd.next_song_id, &mpd.queue_version); break; case MPD_API_SET_SETTINGS: je = json_scanf(msg.p, msg.len, "{data: { notificationWeb: %d, notificationPage: %d}}", &state.a, &state.b); if (je == 2) { char tmpfile[200]; snprintf(tmpfile,200,"%s.tmp", config.statefile); json_fprintf(tmpfile, "{notificationWeb: %d, notificationPage: %d}", state.a, state.b); rename(tmpfile,config.statefile); } je = json_scanf(msg.p, msg.len, "{data: {random:%u}}", &uint_buf1); if (je == 1) mpd_run_random(mpd.conn, uint_buf1); je = json_scanf(msg.p, msg.len, "{data: {repeat:%u}}", &uint_buf1); if (je == 1) mpd_run_repeat(mpd.conn, uint_buf1); je = json_scanf(msg.p, msg.len, "{data: {consume:%u}}", &uint_buf1); if (je == 1) mpd_run_consume(mpd.conn, uint_buf1); je = json_scanf(msg.p, msg.len, "{data: {single:%u}}", &uint_buf1); if (je == 1) mpd_run_single(mpd.conn, uint_buf1); je = json_scanf(msg.p, msg.len, "{data: {crossfade:%u}}", &uint_buf1); if (je == 1) mpd_run_crossfade(mpd.conn, uint_buf1); je = json_scanf(msg.p, msg.len, "{data: {mixrampdb:%f}}", &float_buf); if (je == 1) mpd_run_mixrampdb(mpd.conn, float_buf); je = json_scanf(msg.p, msg.len, "{data: {mixrampdelay:%f}}", &float_buf); if (je == 1) mpd_run_mixrampdelay(mpd.conn, float_buf); je = json_scanf(msg.p, msg.len, "{data: {replaygain:%Q}}", &p_charbuf1); if (je == 1) { mpd_send_command(mpd.conn, "replay_gain_mode", p_charbuf1, NULL); struct mpd_pair *pair; while ((pair = mpd_recv_pair(mpd.conn)) != NULL) { mpd_return_pair(mpd.conn, pair); } free(p_charbuf1); } n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); break; case MPD_API_GET_ARTISTALBUMTITLES: je = json_scanf(msg.p, msg.len, "{data: {albumartist:%Q, album:%Q}}", &p_charbuf1, &p_charbuf2); if (je == 2) { n = mympd_put_songs_in_album(mpd.buf, p_charbuf1, p_charbuf2); free(p_charbuf1); free(p_charbuf2); } break; case MPD_API_WELCOME: n = mympd_put_welcome(mpd.buf); break; case MPD_API_UPDATE_DB: uint_rc = mpd_run_update(mpd.conn, NULL); if (uint_rc > 0) n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); break; case MPD_API_SET_PAUSE: mpd_run_toggle_pause(mpd.conn); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); break; case MPD_API_SET_PREV: mpd_run_previous(mpd.conn); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); break; case MPD_API_SET_NEXT: mympd_count_song_id(mpd.song_id, "skipCount", 1); mpd_run_next(mpd.conn); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); break; case MPD_API_SET_PLAY: mpd_run_play(mpd.conn); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); break; case MPD_API_SET_STOP: mpd_run_stop(mpd.conn); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); break; case MPD_API_QUEUE_CLEAR: mpd_run_clear(mpd.conn); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); break; case MPD_API_QUEUE_CROP: n = mympd_queue_crop(mpd.buf); break; case MPD_API_RM_TRACK: je = json_scanf(msg.p, msg.len, "{data: {track:%u}}", &uint_buf1); if (je == 1) { mpd_run_delete_id(mpd.conn, uint_buf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_RM_RANGE: je = json_scanf(msg.p, msg.len, "{data: {start:%u, end:%u}}", &uint_buf1, &uint_buf2); if (je == 2) { mpd_run_delete_range(mpd.conn, uint_buf1, uint_buf2); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_MOVE_TRACK: je = json_scanf(msg.p, msg.len, "{data: {from:%u, to:%u}}", &uint_buf1, &uint_buf2); if (je == 2) { uint_buf1 --; uint_buf2 --; if (uint_buf1 < uint_buf2) uint_buf2 --; mpd_run_move(mpd.conn, uint_buf1, uint_buf2); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_PLAYLIST_MOVE_TRACK: je = json_scanf(msg.p, msg.len, "{data: {plist: %Q, from:%u, to:%u }}", &p_charbuf1, &uint_buf1, &uint_buf2); if (je == 3) { uint_buf1 --; uint_buf2 --; if (uint_buf1 < uint_buf2) uint_buf2 --; mpd_send_playlist_move(mpd.conn, p_charbuf1, uint_buf1, uint_buf2); mpd_response_finish(mpd.conn); free(p_charbuf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_PLAY_TRACK: je = json_scanf(msg.p, msg.len, "{data: { track:%u}}", &uint_buf1); if (je == 1) { mpd_run_play_id(mpd.conn, uint_buf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_GET_OUTPUTS: n = mympd_put_outputs(mpd.buf); break; case MPD_API_TOGGLE_OUTPUT: je = json_scanf(msg.p, msg.len, "{data: {output:%u, state:%u}}", &uint_buf1, &uint_buf2); if (je == 2) { if (uint_buf2) mpd_run_enable_output(mpd.conn, uint_buf1); else mpd_run_disable_output(mpd.conn, uint_buf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_SET_VOLUME: je = json_scanf(msg.p, msg.len, "{data: {volume:%u}}", &uint_buf1); if (je == 1) { mpd_run_set_volume(mpd.conn, uint_buf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_SET_SEEK: je = json_scanf(msg.p, msg.len, "{data: {songid:%u, seek:%u}}", &uint_buf1, &uint_buf2); if (je == 2) { mpd_run_seek_id(mpd.conn, uint_buf1, uint_buf2); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_GET_QUEUE: je = json_scanf(msg.p, msg.len, "{data: {offset:%u }}", &uint_buf1); if (je == 1) { n = mympd_put_queue(mpd.buf, uint_buf1); } break; case MPD_API_GET_CURRENT_SONG: n = mympd_put_current_song(mpd.buf); break; case MPD_API_GET_SONGDETAILS: je = json_scanf(msg.p, msg.len, "{data: { uri:%Q }}", &p_charbuf1); if (je == 1) { n = mympd_put_songdetails(mpd.buf, p_charbuf1); free(p_charbuf1); } break; case MPD_API_GET_ARTISTS: je = json_scanf(msg.p, msg.len, "{data: {offset:%u, filter:%Q}}", &uint_buf1, &p_charbuf1); if (je == 2) { n = mympd_put_db_tag(mpd.buf, uint_buf1, "AlbumArtist", "", "", p_charbuf1); free(p_charbuf1); } break; case MPD_API_GET_ARTISTALBUMS: je = json_scanf(msg.p, msg.len, "{data: {offset:%u, filter:%Q, albumartist:%Q}}", &uint_buf1, &p_charbuf1, &p_charbuf2); if (je == 3) { n = mympd_put_db_tag(mpd.buf, uint_buf1, "Album", "AlbumArtist", p_charbuf2, p_charbuf1); free(p_charbuf1); free(p_charbuf2); } break; case MPD_API_PLAYLIST_RENAME: je = json_scanf(msg.p, msg.len, "{data: {from:%Q, to:%Q}}", &p_charbuf1, &p_charbuf2); if (je == 2) { mpd_run_rename(mpd.conn, p_charbuf1, p_charbuf2); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"Renamed playlist %s to %s\"}", p_charbuf1, p_charbuf2); free(p_charbuf1); free(p_charbuf2); } break; case MPD_API_GET_PLAYLISTS: je = json_scanf(msg.p, msg.len, "{data: {offset:%u, filter:%Q}}", &uint_buf1, &p_charbuf1); if (je == 2) { n = mympd_put_playlists(mpd.buf, uint_buf1, p_charbuf1); free(p_charbuf1); } break; case MPD_API_GET_PLAYLIST_LIST: je = json_scanf(msg.p, msg.len, "{data: {uri: %Q, offset:%u, filter:%Q}}", &p_charbuf1, &uint_buf1, &p_charbuf2); if (je == 3) { n = mympd_put_playlist_list(mpd.buf, p_charbuf1, uint_buf1, p_charbuf2); free(p_charbuf1); free(p_charbuf2); } break; case MPD_API_ADD_TO_PLAYLIST: je = json_scanf(msg.p, msg.len, "{data: {plist:%Q, uri:%Q}}", &p_charbuf1, &p_charbuf2); if (je == 2) { mpd_run_playlist_add(mpd.conn, p_charbuf1, p_charbuf2); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"Added %s to playlist %s\"}", p_charbuf2, p_charbuf1); free(p_charbuf1); free(p_charbuf2); } break; case MPD_API_PLAYLIST_CLEAR: je = json_scanf(msg.p, msg.len, "{data: {uri:%Q}}", &p_charbuf1); if (je == 1) { mpd_run_playlist_clear(mpd.conn, p_charbuf1); free(p_charbuf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_RM_PLAYLIST_TRACK: je = json_scanf(msg.p, msg.len, "{data: {uri:%Q, track:%u}}", &p_charbuf1, &uint_buf1); if (je == 2) { mpd_run_playlist_delete(mpd.conn, p_charbuf1, uint_buf1); free(p_charbuf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_GET_FILESYSTEM: je = json_scanf(msg.p, msg.len, "{data: {offset:%u, filter:%Q, path:%Q}}", &uint_buf1, &p_charbuf1, &p_charbuf2); if (je == 3) { n = mympd_put_browse(mpd.buf, p_charbuf2, uint_buf1, p_charbuf1); free(p_charbuf1); free(p_charbuf2); } break; case MPD_API_ADD_TRACK_AFTER: je = json_scanf(msg.p, msg.len, "{data: {uri:%Q, to:%d}}", &p_charbuf1, &int_buf); if (je == 2) { int_rc = mpd_run_add_id_to(mpd.conn, p_charbuf1, int_buf); if (int_rc > -1 ) n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); free(p_charbuf1); } break; case MPD_API_REPLACE_TRACK: je = json_scanf(msg.p, msg.len, "{data: {uri:%Q }}", &p_charbuf1); if (je == 1) { mpd_run_clear(mpd.conn); mpd_run_add(mpd.conn, p_charbuf1); free(p_charbuf1); mpd_run_play(mpd.conn); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_ADD_TRACK: je = json_scanf(msg.p, msg.len, "{data: {uri:%Q}}", &p_charbuf1); if (je == 1) { mpd_run_add(mpd.conn, p_charbuf1); free(p_charbuf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_ADD_PLAY_TRACK: je = json_scanf(msg.p, msg.len, "{data: {uri:%Q}}", &p_charbuf1); if (je == 1) { int_buf = mpd_run_add_id(mpd.conn, p_charbuf1); if (int_buf != -1) mpd_run_play_id(mpd.conn, int_buf); free(p_charbuf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_REPLACE_PLAYLIST: je = json_scanf(msg.p, msg.len, "{data: {plist:%Q}}", &p_charbuf1); if (je == 1) { mpd_run_clear(mpd.conn); mpd_run_load(mpd.conn, p_charbuf1); free(p_charbuf1); mpd_run_play(mpd.conn); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_ADD_PLAYLIST: je = json_scanf(msg.p, msg.len, "{data: {plist:%Q}}", &p_charbuf1); if (je == 1) { mpd_run_load(mpd.conn, p_charbuf1); free(p_charbuf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_SAVE_QUEUE: je = json_scanf(msg.p, msg.len, "{ data: {plist:%Q}}", &p_charbuf1); if (je == 1) { mpd_run_save(mpd.conn, p_charbuf1); free(p_charbuf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_SEARCH_QUEUE: je = json_scanf(msg.p, msg.len, "{data: {offset:%u, mpdtag:%Q, searchstr:%Q}}", &uint_buf1, &p_charbuf1, &p_charbuf2); if (je == 3) { n = mympd_search_queue(mpd.buf, p_charbuf1, uint_buf1, p_charbuf2); free(p_charbuf1); free(p_charbuf2); } break; case MPD_API_SEARCH_ADD: je = json_scanf(msg.p, msg.len, "{data: {filter:%Q, searchstr:%Q}}", &p_charbuf1, &p_charbuf2); if (je == 2) { n = mympd_search_add(mpd.buf, p_charbuf1, p_charbuf2); free(p_charbuf1); free(p_charbuf2); if (n == 0) n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_SEARCH_ADD_PLIST: je = json_scanf(msg.p, msg.len, "{data: {plist:%Q, filter:%Q, searchstr:%Q}}", &p_charbuf1, &p_charbuf2, &p_charbuf3); if (je == 3) { n = mympd_search_add_plist(p_charbuf1, p_charbuf2, p_charbuf3); free(p_charbuf1); free(p_charbuf2); free(p_charbuf3); if (n == 0) n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_SEARCH: je = json_scanf(msg.p, msg.len, "{data: {offset:%u, mpdtag:%Q, searchstr:%Q}}", &uint_buf1, &p_charbuf1, &p_charbuf2); if (je == 3) { n = mympd_search(mpd.buf, p_charbuf1, uint_buf1, p_charbuf2); free(p_charbuf1); free(p_charbuf2); } break; case MPD_API_SEND_SHUFFLE: mpd_run_shuffle(mpd.conn); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); break; case MPD_API_SEND_MESSAGE: je = json_scanf(msg.p, msg.len, "{data: { channel:%Q, text:%Q}}", &p_charbuf1, &p_charbuf2); if (je == 2) { mpd_run_send_message(mpd.conn, p_charbuf1, p_charbuf2); free(p_charbuf1); free(p_charbuf2); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_RM_PLAYLIST: je = json_scanf(msg.p, msg.len, "{data: { uri:%Q }}", &p_charbuf1); if (je == 1) { mpd_run_rm(mpd.conn, p_charbuf1); free(p_charbuf1); n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}"); } break; case MPD_API_GET_SETTINGS: n = mympd_put_settings(mpd.buf); break; case MPD_API_GET_STATS: n = mympd_put_stats(mpd.buf); break; } if (mpd.conn_state == MPD_CONNECTED && mpd_connection_get_error(mpd.conn) != MPD_ERROR_SUCCESS) { #ifdef DEBUG fprintf(stderr, "Error: %s\n", mpd_connection_get_error_message(mpd.conn)); #endif n = snprintf(mpd.buf, MAX_SIZE, "{\"type\":\"error\", \"data\": \"%s\"}", mpd_connection_get_error_message(mpd.conn)); /* Try to recover error */ if (!mpd_connection_clear_error(mpd.conn)) mpd.conn_state = MPD_FAILURE; } mpd_send_idle(mpd.conn); if (n == 0) n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"error\", \"data\": \"No response for cmd %s\"}", cmd); if (is_websocket(nc)) { #ifdef DEBUG fprintf(stdout, "Send websocket response:\n %s\n",mpd.buf); #endif mg_send_websocket_frame(nc, WEBSOCKET_OP_TEXT, mpd.buf, n); } else { #ifdef DEBUG fprintf(stdout, "Send http response:\n %s\n",mpd.buf); #endif mg_send_http_chunk(nc, mpd.buf, n); } free(cmd); } void mympd_notify(struct mg_mgr *s) { for (struct mg_connection *c = mg_next(s, NULL); c != NULL; c = mg_next(s, c)) { if (!is_websocket(c)) continue; mg_send_websocket_frame(c, WEBSOCKET_OP_TEXT, mpd.buf, strlen(mpd.buf)); } #ifdef DEBUG fprintf(stderr,"NOTIFY: %s\n", mpd.buf); #endif } void mympd_poll(struct mg_mgr *s, int timeout) { struct pollfd fds[1]; int pollrc; switch (mpd.conn_state) { case MPD_DISCONNECTED: /* Try to connect */ fprintf(stdout, "MPD Connecting to %s:%d\n", config.mpdhost, config.mpdport); mpd.conn = mpd_connection_new(config.mpdhost, config.mpdport, mpd.timeout); if (mpd.conn == NULL) { fprintf(stderr, "Out of memory."); snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"disconnected\"}"); mympd_notify(s); mpd.conn_state = MPD_FAILURE; return; } if (mpd_connection_get_error(mpd.conn) != MPD_ERROR_SUCCESS) { fprintf(stderr, "MPD connection: %s\n", mpd_connection_get_error_message(mpd.conn)); snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"error\", \"data\": \"%s\"}", mpd_connection_get_error_message(mpd.conn)); mympd_notify(s); mpd.conn_state = MPD_FAILURE; return; } if (config.mpdpass && !mpd_run_password(mpd.conn, config.mpdpass)) { fprintf(stderr, "MPD connection: %s\n", mpd_connection_get_error_message(mpd.conn)); snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"error\", \"data\": \"%s\"}", mpd_connection_get_error_message(mpd.conn)); mympd_notify(s); mpd.conn_state = MPD_FAILURE; return; } fprintf(stderr, "MPD connected.\n"); mpd_connection_set_timeout(mpd.conn, mpd.timeout); mpd.conn_state = MPD_CONNECTED; mpd_send_idle(mpd.conn); break; case MPD_FAILURE: fprintf(stderr, "MPD connection failed.\n"); snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"disconnected\"}"); mympd_notify(s); case MPD_DISCONNECT: case MPD_RECONNECT: if (mpd.conn != NULL) mpd_connection_free(mpd.conn); mpd.conn = NULL; mpd.conn_state = MPD_DISCONNECTED; break; case MPD_CONNECTED: fds[0].fd = mpd_connection_get_fd(mpd.conn); fds[0].events = POLLIN; pollrc = poll(fds, 1, timeout); if (pollrc > 0) { mpd_send_noidle(mpd.conn); mympd_parse_idle(s); mpd_send_idle(mpd.conn); } break; } } char* mympd_get_song_uri_from_song_id(int song_id) { char *str; struct mpd_song *song; if (song_id > -1) { song = mpd_run_get_queue_song_id(mpd.conn, song_id); if (song) { str = (char *)mpd_song_get_uri(song); mpd_song_free(song); } } return str; } void mympd_count_song_id(int song_id, char *name, int value) { char *uri = mympd_get_song_uri_from_song_id(song_id); mympd_count_song_uri(uri, name, value); } void mympd_count_song_uri(const char *uri, char *name, int value) { struct mpd_pair *pair; int old_value = 0; char v[3]; if (mpd_send_sticker_list(mpd.conn, "song", uri)) { while ((pair = mpd_recv_sticker(mpd.conn)) != NULL) { if (strcmp(pair->name, name) == 0) old_value = atoi(pair->value); mpd_return_sticker(mpd.conn, pair); } } old_value += value; if (old_value > 99) old_value = 99; else if (old_value < 0) old_value = 0; snprintf(v, 2, "%d", old_value); mpd_run_sticker_set(mpd.conn, "song", uri, name, v); } void mympd_like_song_uri(const char *uri, int value) { char v[3]; if (value > 0) value = 1; snprintf(v, 2, "%d", value); mpd_run_sticker_set(mpd.conn, "song", uri, "like", v); } void mympd_last_played_song_uri(const char *uri) { char v[20]; snprintf(v, 19, "%lu", time(NULL)); mpd_run_sticker_set(mpd.conn, "song", uri, "lastPlayed", v); } void mympd_parse_idle(struct mg_mgr *s) { enum mpd_idle idle_bitmask = mpd_recv_idle(mpd.conn, false); int len; for (unsigned j = 0;; ++j) { enum mpd_idle idle_event = 1 << j; const char *idle_name = mpd_idle_name(idle_event); if (idle_name == NULL) break; if (idle_bitmask & idle_event) { #ifdef DEBUG fprintf(stderr,"IDLE: %s\n",idle_name); #endif switch(idle_event) { case MPD_IDLE_DATABASE: len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_database\"}"); break; case MPD_IDLE_STORED_PLAYLIST: len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_stored_playlist\"}"); break; case MPD_IDLE_QUEUE: len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_queue\"}"); break; case MPD_IDLE_PLAYER: len = mympd_put_state(mpd.buf, &mpd.song_id, &mpd.next_song_id, &mpd.queue_version); mympd_count_song_id(mpd.song_id, "playCount", 1); break; case MPD_IDLE_MIXER: len = mympd_put_state(mpd.buf, &mpd.song_id, &mpd.next_song_id, &mpd.queue_version); break; case MPD_IDLE_OUTPUT: len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_outputs\"}"); break; case MPD_IDLE_OPTIONS: len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_options\"}"); break; case MPD_IDLE_UPDATE: len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_update\"}"); break; case MPD_IDLE_STICKER: len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_sticker\"}"); break; case MPD_IDLE_SUBSCRIPTION: len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_subscription\"}"); break; case MPD_IDLE_MESSAGE: len = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"update_message\"}"); break; } if (len > 0) mympd_notify(s); } } } char* mympd_get_tag(struct mpd_song const *song, enum mpd_tag_type tag) { char *str; str = (char *)mpd_song_get_tag(song, tag, 0); if (str == NULL) { if (tag == MPD_TAG_TITLE) str = basename((char *)mpd_song_get_uri(song)); else str = "-"; } return str; } int mympd_put_state(char *buffer, int *current_song_id, int *next_song_id, unsigned *queue_version) { struct mpd_status *status; const struct mpd_audio_format *audioformat; int len; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); status = mpd_run_status(mpd.conn); if (!status) { fprintf(stderr, "MPD mpd_run_status: %s\n", mpd_connection_get_error_message(mpd.conn)); mpd.conn_state = MPD_FAILURE; return 0; } else { audioformat = mpd_status_get_audio_format(status); } len = json_printf(&out,"{type: update_state, data: {" "state:%d, volume:%d, songPos: %d, elapsedTime: %d, " "totalTime: %d, currentSongId: %d, kbitrate: %d, " "audioFormat: { sampleRate: %d, bits: %d, channels: %d}, " "queueLength: %d, nextSongPos: %d, nextSongId: %d, " "queueVersion: %d", mpd_status_get_state(status), mpd_status_get_volume(status), mpd_status_get_song_pos(status), mpd_status_get_elapsed_time(status), mpd_status_get_total_time(status), mpd_status_get_song_id(status), mpd_status_get_kbit_rate(status), audioformat ? audioformat->sample_rate : 0, audioformat ? audioformat->bits : 0, audioformat ? audioformat->channels : 0, mpd_status_get_queue_length(status), mpd_status_get_next_song_pos(status), mpd_status_get_next_song_id(status), mpd_status_get_queue_version(status) ); len += json_printf(&out, "}}"); *current_song_id = mpd_status_get_song_id(status); *next_song_id = mpd_status_get_next_song_id(status); *queue_version = mpd_status_get_queue_version(status); mpd_status_free(status); if (len > MAX_SIZE) fprintf(stderr,"Buffer truncated\n"); return len; } int mympd_put_welcome(char *buffer) { int len; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); len = json_printf(&out, "{type: welcome, data: { version: %Q}}", MYMPD_VERSION); if (len > MAX_SIZE) fprintf(stderr,"Buffer truncated\n"); return len; } int mympd_put_settings(char *buffer) { struct mpd_status *status; char *replaygain; int len; int je; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); struct mympd_state { int a; int b; } state = { .a = 0, .b = 0 }; if (access( config.statefile, F_OK ) != -1 ) { char *content = json_fread(config.statefile); je = json_scanf(content, strlen(content), "{notificationWeb: %d, notificationPage: %d}", &state.a, &state.b); if (je != 2) { state.a=0; state.b=0; } } else { state.a=0; state.b=0; } status = mpd_run_status(mpd.conn); if (!status) { fprintf(stderr, "MPD mpd_run_status: %s\n", mpd_connection_get_error_message(mpd.conn)); mpd.conn_state = MPD_FAILURE; return 0; } mpd_send_command(mpd.conn, "replay_gain_status", NULL); struct mpd_pair *pair; while ((pair = mpd_recv_pair(mpd.conn)) != NULL) { replaygain = strdup(pair->value); mpd_return_pair(mpd.conn, pair); } len = json_printf(&out, "{type: settings, data: {" "repeat: %d, single: %d, crossfade: %d, consume: %d, random: %d, " "mixrampdb: %f, mixrampdelay: %f, mpdhost : %Q, mpdport: %d, passwort_set: %B, " "streamport: %d, coverimage: %Q, max_elements_per_page: %d, replaygain: %Q," "notificationWeb: %d, notificationPage: %d" "}}", mpd_status_get_repeat(status), mpd_status_get_single(status), mpd_status_get_crossfade(status), mpd_status_get_consume(status), mpd_status_get_random(status), mpd_status_get_mixrampdb(status), mpd_status_get_mixrampdelay(status), config.mpdhost, config.mpdport, config.mpdpass ? "true" : "false", config.streamport, config.coverimage, MAX_ELEMENTS_PER_PAGE, replaygain, state.a, state.b ); mpd_status_free(status); if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_put_outputs(char *buffer) { struct mpd_output *output; int len; int nr; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); len = json_printf(&out,"{type: outputs, data: {outputs: ["); mpd_send_outputs(mpd.conn); nr=0; while ((output = mpd_recv_output(mpd.conn)) != NULL) { if (nr++) len += json_printf(&out, ","); len += json_printf(&out,"{id: %d, name: %Q, state: %d}", mpd_output_get_id(output), mpd_output_get_name(output), mpd_output_get_enabled(output) ); mpd_output_free(output); } if (!mpd_response_finish(mpd.conn)) { fprintf(stderr, "MPD outputs: %s\n", mpd_connection_get_error_message(mpd.conn)); mpd_connection_clear_error(mpd.conn); } len += json_printf(&out,"]}}"); if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_get_cover(const char *uri, char *cover, int cover_len) { char *path = strdup(uri); int len; if (strncasecmp("http:", path, 5) == 0 ) { len=snprintf(cover,cover_len, "/assets/coverimage-httpstream.png"); } else { dirname(path); snprintf(cover,cover_len,"%s/library/%s/%s", SRC_PATH, path, config.coverimage); if ( access(cover, F_OK ) == -1 ) { len = snprintf(cover, cover_len, "/assets/coverimage-notavailable.png"); } else { len = snprintf(cover, cover_len, "/library/%s/%s", path, config.coverimage); } } return len; } int mympd_put_current_song(char *buffer) { struct mpd_song *song; int len; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); char cover[500]; song = mpd_run_current_song(mpd.conn); if (song == NULL) { len = json_printf(&out,"{type: result, data: ok}"); return len; } mympd_get_cover(mpd_song_get_uri(song),cover,500); len = json_printf(&out,"{type: song_change, data: { pos: %d, title: %Q, " "artist: %Q, album: %Q, uri: %Q, currentSongId: %d, albumartist: %Q, " "duration: %d, cover: %Q}}", mpd_song_get_pos(song), mympd_get_tag(song, MPD_TAG_TITLE), mympd_get_tag(song, MPD_TAG_ARTIST), mympd_get_tag(song, MPD_TAG_ALBUM), mpd_song_get_uri(song), mpd.song_id, mympd_get_tag(song, MPD_TAG_ALBUM_ARTIST), mpd_song_get_duration(song), cover ); mpd_song_free(song); mpd_response_finish(mpd.conn); if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_put_songdetails(char *buffer, char *uri) { struct mpd_entity *entity; const struct mpd_song *song; int len; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); char cover[500]; len = json_printf(&out, "{type: song_details, data: {"); mpd_send_list_all_meta(mpd.conn, uri); while ((entity = mpd_recv_entity(mpd.conn)) != NULL) { song = mpd_entity_get_song(entity); mympd_get_cover(mpd_song_get_uri(song),cover,500); len += json_printf(&out, "duration: %d, artist: %Q, album: %Q, title: %Q, albumartist: %Q, cover: %Q, uri: %Q, genre: %Q, track: %Q, date: %Q", mpd_song_get_duration(song), mympd_get_tag(song, MPD_TAG_ARTIST), mympd_get_tag(song, MPD_TAG_ALBUM), mympd_get_tag(song, MPD_TAG_TITLE), mympd_get_tag(song, MPD_TAG_ALBUM_ARTIST), cover, uri, mympd_get_tag(song, MPD_TAG_GENRE), mympd_get_tag(song, MPD_TAG_TRACK), mympd_get_tag(song, MPD_TAG_DATE) ); mpd_entity_free(entity); } len += json_printf(&out, "}}"); if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_put_queue(char *buffer, unsigned int offset) { struct mpd_entity *entity; unsigned long totalTime = 0; unsigned long entity_count = 0; unsigned long entities_returned = 0; int len; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); if (!mpd_send_list_queue_range_meta(mpd.conn, 0, -1)) RETURN_ERROR_AND_RECOVER("mpd_send_list_queue_meta"); len = json_printf(&out, "{type:queue, data :[ "); while ((entity = mpd_recv_entity(mpd.conn)) != NULL) { const struct mpd_song *song; unsigned int drtn; if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) { song = mpd_entity_get_song(entity); drtn = mpd_song_get_duration(song); totalTime += drtn; entity_count ++; if (entity_count > offset && entity_count <= offset+MAX_ELEMENTS_PER_PAGE) { if (entities_returned ++) len += json_printf(&out,","); len += json_printf(&out, "{id: %d, pos: %d, duration: %d, artist: %Q, album: %Q, title: %Q, uri: %Q }", mpd_song_get_id(song), mpd_song_get_pos(song), mpd_song_get_duration(song), mympd_get_tag(song, MPD_TAG_ARTIST), mympd_get_tag(song, MPD_TAG_ALBUM), mympd_get_tag(song, MPD_TAG_TITLE), mpd_song_get_uri(song) ); } } mpd_entity_free(entity); } len += json_printf(&out, "],totalTime: %d, totalEntities: %d, offset: %d, returnedEntities: %d, queue_version: %d }", totalTime, entity_count, offset, entities_returned, mpd.queue_version ); if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_put_browse(char *buffer, char *path, unsigned int offset, char *filter) { struct mpd_entity *entity; const struct mpd_playlist *pl; unsigned int entity_count = 0; unsigned int entities_returned = 0; const char *entityName; int len; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); if (!mpd_send_list_meta(mpd.conn, path)) RETURN_ERROR_AND_RECOVER("mpd_send_list_meta"); len = json_printf(&out, "{type: browse, data: [ "); while((entity = mpd_recv_entity(mpd.conn)) != NULL) { const struct mpd_song *song; const struct mpd_directory *dir; entity_count ++; if (entity_count > offset && entity_count <= offset+MAX_ELEMENTS_PER_PAGE) { switch (mpd_entity_get_type(entity)) { case MPD_ENTITY_TYPE_UNKNOWN: entity_count --; break; case MPD_ENTITY_TYPE_SONG: song = mpd_entity_get_song(entity); entityName = mympd_get_tag(song, MPD_TAG_TITLE); if (strncmp(filter,"-",1) == 0 || strncasecmp(filter,entityName,1) == 0 || ( strncmp(filter,"0",1) == 0 && isalpha(*entityName) == 0 ) ) { if (entities_returned ++) len += json_printf(&out,","); len += json_printf(&out, "{type: song, uri: %Q, album: %Q, artist: %Q, duration: %d, title: %Q, name: %Q }", mpd_song_get_uri(song), mympd_get_tag(song, MPD_TAG_ALBUM), mympd_get_tag(song, MPD_TAG_ARTIST), mpd_song_get_duration(song), entityName, entityName ); } else { entity_count --; } break; case MPD_ENTITY_TYPE_DIRECTORY: dir = mpd_entity_get_directory(entity); entityName = mpd_directory_get_path(dir); char *dirName = strrchr(entityName, '/'); if (dirName != NULL) { dirName ++; } else { dirName = strdup(entityName); } if (strncmp(filter,"-",1) == 0 || strncasecmp(filter,dirName,1) == 0 || ( strncmp(filter,"0",1) == 0 && isalpha(*dirName) == 0 ) ) { if (entities_returned ++) len += json_printf(&out,","); len += json_printf(&out, "{type: dir, uri: %Q, name: %Q }", entityName, dirName ); } else { entity_count --; } break; case MPD_ENTITY_TYPE_PLAYLIST: pl = mpd_entity_get_playlist(entity); entityName = mpd_playlist_get_path(pl); char *plName = strrchr(entityName, '/'); if (plName != NULL) { plName ++; } else { plName = strdup(entityName); } if (strncmp(filter,"-",1) == 0 || strncasecmp(filter,plName,1) == 0 || ( strncmp(filter,"0",1) == 0 && isalpha(*plName) == 0 ) ) { if (entities_returned ++) len += json_printf(&out,","); len += json_printf(&out, "{type: plist, uri: %Q, name: %Q }", entityName, plName ); } else { entity_count --; } break; } } mpd_entity_free(entity); } if (mpd_connection_get_error(mpd.conn) != MPD_ERROR_SUCCESS || !mpd_response_finish(mpd.conn)) { fprintf(stderr, "MPD mpd_send_list_meta: %s\n", mpd_connection_get_error_message(mpd.conn)); mpd.conn_state = MPD_FAILURE; return 0; } len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d, filter: %Q }", entity_count, offset, entities_returned, filter ); if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_put_db_tag(char *buffer, unsigned int offset, char *mpdtagtype, char *mpdsearchtagtype, char *searchstr, char *filter) { struct mpd_pair *pair; unsigned long entity_count = 0; unsigned long entities_returned = 0; int len; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); if (mpd_search_db_tags(mpd.conn, mpd_tag_name_parse(mpdtagtype)) == false) RETURN_ERROR_AND_RECOVER("mpd_search_db_tags"); if (mpd_tag_name_parse(mpdsearchtagtype) != MPD_TAG_UNKNOWN) { if (mpd_search_add_tag_constraint(mpd.conn, MPD_OPERATOR_DEFAULT, mpd_tag_name_parse(mpdsearchtagtype), searchstr) == false) RETURN_ERROR_AND_RECOVER("mpd_search_add_tag_constraint"); } if (mpd_search_commit(mpd.conn) == false) RETURN_ERROR_AND_RECOVER("mpd_search_commit"); len = json_printf(&out, "{type: listDBtags, data: [ "); while((pair = mpd_recv_pair_tag(mpd.conn, mpd_tag_name_parse(mpdtagtype))) != NULL) { entity_count ++; if (entity_count > offset && entity_count <= offset+MAX_ELEMENTS_PER_PAGE) { if (strncmp(filter,"-",1) == 0 || strncasecmp(filter,pair->value,1) == 0 || ( strncmp(filter,"0",1) == 0 && isalpha(*pair->value) == 0 ) ) { if (entities_returned ++) len += json_printf(&out,", "); len += json_printf(&out, "{type: %Q, value: %Q }", mpdtagtype, pair->value ); } else { entity_count --; } } mpd_return_pair(mpd.conn, pair); } len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d, " "tagtype: %Q, searchtagtype: %Q, searchstr: %Q, filter: %Q }", entity_count, offset, entities_returned, mpdtagtype, mpdsearchtagtype, searchstr, filter ); if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_put_songs_in_album(char *buffer, char *albumartist, char *album) { struct mpd_song *song; unsigned long entity_count = 0; unsigned long entities_returned = 0; int len; char cover[500]; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); if (mpd_search_db_songs(mpd.conn, true) == false) RETURN_ERROR_AND_RECOVER("mpd_search_db_songs"); if (mpd_search_add_tag_constraint(mpd.conn, MPD_OPERATOR_DEFAULT, MPD_TAG_ALBUM_ARTIST, albumartist) == false) RETURN_ERROR_AND_RECOVER("mpd_search_add_tag_constraint"); if (mpd_search_add_tag_constraint(mpd.conn, MPD_OPERATOR_DEFAULT, MPD_TAG_ALBUM, album) == false) RETURN_ERROR_AND_RECOVER("mpd_search_add_tag_constraint"); if (mpd_search_commit(mpd.conn) == false) RETURN_ERROR_AND_RECOVER("mpd_search_commit"); else { len = json_printf(&out, "{ type: listTitles, data: [ "); while((song = mpd_recv_song(mpd.conn)) != NULL) { entity_count ++; if (entity_count <= MAX_ELEMENTS_PER_PAGE) { if (entities_returned ++) len += json_printf(&out, ", "); else mympd_get_cover(mpd_song_get_uri(song),cover,500); len += json_printf(&out, "{ type: song, uri: %Q, duration: %d, title: %Q, track: %Q}", mpd_song_get_uri(song), mpd_song_get_duration(song), mympd_get_tag(song, MPD_TAG_TITLE), mympd_get_tag(song, MPD_TAG_TRACK) ); } mpd_song_free(song); } len += json_printf(&out, "], totalEntities: %d, returnedEntities: %d, albumartist: %Q, album: %Q, cover: %Q}", entity_count, entities_returned, albumartist, album, cover ); } if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_put_playlists(char *buffer, unsigned int offset, char *filter) { struct mpd_playlist *pl; unsigned int entity_count = 0; unsigned int entities_returned = 0; const char *plpath; int len; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); if (!mpd_send_list_playlists(mpd.conn)) RETURN_ERROR_AND_RECOVER("mpd_send_lists_playlists"); len = json_printf(&out, "{type: playlists, data: [ "); while((pl = mpd_recv_playlist(mpd.conn)) != NULL) { entity_count ++; if (entity_count > offset && entity_count <= offset+MAX_ELEMENTS_PER_PAGE) { plpath = mpd_playlist_get_path(pl); if (strncmp(filter,"-",1) == 0 || strncasecmp(filter,plpath,1) == 0 || ( strncmp(filter,"0",1) == 0 && isalpha(*plpath) == 0 ) ) { if (entities_returned ++) len += json_printf(&out, ", "); len += json_printf(&out, "{type: plist, uri: %Q, name: %Q, last_modified: %d}", plpath, plpath, mpd_playlist_get_last_modified(pl) ); } else { entity_count --; } } mpd_playlist_free(pl); } if (mpd_connection_get_error(mpd.conn) != MPD_ERROR_SUCCESS || !mpd_response_finish(mpd.conn)) RETURN_ERROR_AND_RECOVER("mpd_send_list_playlists"); len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d}", entity_count, offset, entities_returned ); if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_put_playlist_list(char *buffer, char *uri, unsigned int offset, char *filter) { struct mpd_entity *entity; unsigned int entity_count = 0; unsigned int entities_returned = 0; const char *entityName; int len; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); if (!mpd_send_list_playlist_meta(mpd.conn, uri)) RETURN_ERROR_AND_RECOVER("mpd_send_list_meta"); len = json_printf(&out, "{type: playlist_detail, data: [ "); while((entity = mpd_recv_entity(mpd.conn)) != NULL) { const struct mpd_song *song; entity_count ++; if (entity_count > offset && entity_count <= offset+MAX_ELEMENTS_PER_PAGE) { song = mpd_entity_get_song(entity); entityName = mympd_get_tag(song, MPD_TAG_TITLE); if (strncmp(filter,"-",1) == 0 || strncasecmp(filter,entityName,1) == 0 || ( strncmp(filter,"0",1) == 0 && isalpha(*entityName) == 0 ) ) { if (entities_returned ++) len += json_printf(&out,","); len += json_printf(&out, "{type: song, uri: %Q, album: %Q, artist: %Q, duration: %d, title: %Q, name: %Q}", mpd_song_get_uri(song), mympd_get_tag(song, MPD_TAG_ALBUM), mympd_get_tag(song, MPD_TAG_ARTIST), mpd_song_get_duration(song), entityName, entityName ); } else { entity_count --; } } mpd_entity_free(entity); } len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d, filter: %Q, uri: %Q}", entity_count, offset, entities_returned, filter, uri ); if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_search(char *buffer, char *mpdtagtype, unsigned int offset, char *searchstr) { struct mpd_song *song; unsigned long entity_count = 0; unsigned long entities_returned = 0; int len; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); if (mpd_search_db_songs(mpd.conn, false) == false) RETURN_ERROR_AND_RECOVER("mpd_search_db_songs"); if (mpd_tag_name_parse(mpdtagtype) != MPD_TAG_UNKNOWN) { if (mpd_search_add_tag_constraint(mpd.conn, MPD_OPERATOR_DEFAULT, mpd_tag_name_parse(mpdtagtype), searchstr) == false) RETURN_ERROR_AND_RECOVER("mpd_search_add_tag_constraint"); } else { if (mpd_search_add_any_tag_constraint(mpd.conn, MPD_OPERATOR_DEFAULT, searchstr) == false) RETURN_ERROR_AND_RECOVER("mpd_search_add_any_tag_constraint"); } if (mpd_search_commit(mpd.conn) == false) RETURN_ERROR_AND_RECOVER("mpd_search_commit"); else { len = json_printf(&out, "{type: search, data: [ "); while((song = mpd_recv_song(mpd.conn)) != NULL) { entity_count ++; if (entity_count > offset && entity_count <= offset+MAX_ELEMENTS_PER_PAGE) { if (entities_returned ++) len += json_printf(&out, ", "); len += json_printf(&out, "{type: song, uri: %Q, album: %Q, artist: %Q, duration: %d, title: %Q, name: %Q}", mpd_song_get_uri(song), mympd_get_tag(song, MPD_TAG_ALBUM), mympd_get_tag(song, MPD_TAG_ARTIST), mpd_song_get_duration(song), mympd_get_tag(song, MPD_TAG_TITLE), mympd_get_tag(song, MPD_TAG_TITLE) ); } mpd_song_free(song); } len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d, mpdtagtype: %Q}", entity_count, offset, entities_returned, mpdtagtype ); } if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_search_add(char *buffer, char *mpdtagtype, char *searchstr) { int len = 0; struct mpd_song *song; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); if (mpd_search_add_db_songs(mpd.conn, false) == false) { RETURN_ERROR_AND_RECOVER("mpd_search_add_db_songs"); } if (mpd_tag_name_parse(mpdtagtype) != MPD_TAG_UNKNOWN) { if (mpd_search_add_tag_constraint(mpd.conn, MPD_OPERATOR_DEFAULT, mpd_tag_name_parse(mpdtagtype), searchstr) == false) RETURN_ERROR_AND_RECOVER("mpd_search_add_tag_constraint"); } else { if (mpd_search_add_any_tag_constraint(mpd.conn, MPD_OPERATOR_DEFAULT, searchstr) == false) RETURN_ERROR_AND_RECOVER("mpd_search_add_any_tag_constraint"); } if (mpd_search_commit(mpd.conn) == false) RETURN_ERROR_AND_RECOVER("mpd_search_commit"); while((song = mpd_recv_song(mpd.conn)) != NULL) { mpd_song_free(song); } if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_search_add_plist(char *plist, char *mpdtagtype, char *searchstr) { int len = 0; struct mpd_pair *pair; mpd_send_command(mpd.conn, "searchaddpl", plist, mpdtagtype, searchstr, NULL); while ((pair = mpd_recv_pair(mpd.conn)) != NULL) { mpd_return_pair(mpd.conn, pair); } if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_queue_crop(char *buffer) { int len = 0; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); struct mpd_status *status = mpd_run_status(mpd.conn); int length = mpd_status_get_queue_length(status) - 1; int playing_song_pos = mpd_status_get_song_pos(status); mpd_status_free(status); if (length < 0) { len = json_printf(&out, "{type: error, data: %Q }", "A playlist longer than 1 song in length is required to crop."); } else if (mpd_status_get_state(status) == MPD_STATE_PLAY || mpd_status_get_state(status) == MPD_STATE_PAUSE) { playing_song_pos++; if (playing_song_pos < length) mpd_run_delete_range(mpd.conn, playing_song_pos, -1); playing_song_pos--; if (playing_song_pos > 0 ) mpd_run_delete_range(mpd.conn, 0, playing_song_pos--); len = json_printf(&out, "{type: result, data: ok}"); } else { len = json_printf(&out, "{type: error, data: %Q}", "You need to be playing to crop the playlist"); } if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_search_queue(char *buffer, char *mpdtagtype, unsigned int offset, char *searchstr) { struct mpd_song *song; unsigned long entity_count = 0; unsigned long entities_returned = 0; int len; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); if (mpd_search_queue_songs(mpd.conn, false) == false) { RETURN_ERROR_AND_RECOVER("mpd_search_queue_songs"); } if (mpd_tag_name_parse(mpdtagtype) != MPD_TAG_UNKNOWN) { if (mpd_search_add_tag_constraint(mpd.conn, MPD_OPERATOR_DEFAULT, mpd_tag_name_parse(mpdtagtype), searchstr) == false) RETURN_ERROR_AND_RECOVER("mpd_search_add_tag_constraint"); } else { if (mpd_search_add_any_tag_constraint(mpd.conn, MPD_OPERATOR_DEFAULT, searchstr) == false) RETURN_ERROR_AND_RECOVER("mpd_search_add_any_tag_constraint"); } if (mpd_search_commit(mpd.conn) == false) RETURN_ERROR_AND_RECOVER("mpd_search_commit"); else { len = json_printf(&out, "{ type: queuesearch, data: [ "); while((song = mpd_recv_song(mpd.conn)) != NULL) { entity_count ++; if (entity_count > offset && entity_count <= offset+MAX_ELEMENTS_PER_PAGE) { if (entities_returned ++) len += json_printf(&out, ", "); len += json_printf(&out, "{type: song, id: %d, pos: %d, album: %Q, artist: %Q, duration: %d, title: %Q}", mpd_song_get_id(song), mpd_song_get_pos(song), mympd_get_tag(song, MPD_TAG_ALBUM), mympd_get_tag(song, MPD_TAG_ARTIST), mpd_song_get_duration(song), mympd_get_tag(song, MPD_TAG_TITLE) ); mpd_song_free(song); } } len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d, mpdtagtype: %Q}", entity_count, offset, entities_returned, mpdtagtype ); } if (len > MAX_SIZE) fprintf(stderr, "Buffer truncated\n"); return len; } int mympd_put_stats(char *buffer) { struct mpd_stats *stats = mpd_run_stats(mpd.conn); const unsigned *version = mpd_connection_get_server_version(mpd.conn); char mpd_version[20]; int len; struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE); snprintf(mpd_version,20,"%i.%i.%i", version[0], version[1], version[2]); if (stats == NULL) RETURN_ERROR_AND_RECOVER("mympd_put_stats"); len = json_printf(&out, "{type: mpdstats, data: { artists: %d, albums: %d, songs: %d, " "playtime: %d, uptime: %d, dbupdated: %d, dbplaytime: %d, mympd_version: %Q, mpd_version: %Q}}", mpd_stats_get_number_of_artists(stats), mpd_stats_get_number_of_albums(stats), mpd_stats_get_number_of_songs(stats), mpd_stats_get_play_time(stats), mpd_stats_get_uptime(stats), mpd_stats_get_db_update_time(stats), mpd_stats_get_db_play_time(stats), MYMPD_VERSION, mpd_version ); mpd_stats_free(stats); if (len > MAX_SIZE) fprintf(stderr,"Buffer truncated\n"); return len; } void mympd_disconnect() { mpd.conn_state = MPD_DISCONNECT; mympd_poll(NULL, 0); }